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75 lines
1.4 KiB
75 lines
1.4 KiB
/*++
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Copyright (c) 1993 Digital Equipment Corporation
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Module Name:
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isaaddr.h
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Abstract:
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This module defines the standard device addresses on the ISA/EISA bus.
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Author:
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Joe Notarangelo 22-Oct-1993
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Revision History:
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--*/
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#ifndef _ISAADDR_
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#define _ISAADDR_
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//
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// Standard VGA video adapter offsets
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//
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#define VIDEO_MEMORY_OFFSET 0xb8000
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#define VIDEO_FONT_MEMORY_OFFSET 0xa0000
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//
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// Define the base port address for the PC standard floppy.
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//
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#define FLOPPY_ISA_PORT_ADDRESS 0x3f0
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//
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// Define the base port address for the PC standard keyboard and mouse.
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//
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#define KEYBOARD_ISA_PORT_ADDRESS 0x060
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#define MOUSE_ISA_PORT_ADDRESS 0x060
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#define KBD_ISA_OUTPUT_BUFFER_PORT 0x060
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#define KBD_ISA_STATUS_PORT 0x064
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//
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// Define the base port address for the PC standard parallel port.
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//
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#define PARALLEL_ISA_PORT_ADDRESS 0x3bc
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//
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// Define the base port addresses for the PC standard serial lines.
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//
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#define COM1_ISA_PORT_ADDRESS 0x3f8
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#define COM2_ISA_PORT_ADDRESS 0x2f8
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//
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// Define the port addresses for the PC standard real time clock.
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//
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#define RTC_ISA_ADDRESS_PORT 0x070
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#define RTC_ISA_DATA_PORT 0x071
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#define RTC_ALT_ISA_ADDRESS_PORT 0x170
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#define RTC_ALT_ISA_DATA_PORT 0x171
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//
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// Define the base port address for the PC standard 8K CMOS RAM.
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//
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#define CMOS_ISA_PORT_ADDRESS 0x800
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#endif // _ISAADDR_
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